Association between Vitamin D Deficiency and Preterm: A Case Control Study

The association between gestational vitamin D deficiency and preterm birth : A case control study

Association of vitamin D deficiency in pregnancy and risk of preterm labor

Association Between Vitamin D Deficiency and Serum Ferritin and Preterm Labor: A Case Control Study

Maternal Vitamin D Level in Preterm and Term Labouras a Risk Factor

Maternal Serum Level of Vitamin D and the Incidence of Preeclampsia

Comparative study of vitamin (D) Status in Full Term and Preterm Infants and Their Respective Mothers

Maternal Serum Vitamin D Level in Preeclampsia Versus Normotensive Pregnant Females: A Comparative Study

Maternal Vitamin D level and Early Pregnancy Loss A Nested Case Control Study

Prevalence of Vitamin D Deficiency among Pregnant Women